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Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iHUgu-00076u-Ca; Mon, 07 Oct 2019 15:12:52 +0000 Received: from lb1-smtp-cloud8.xs4all.net ([194.109.24.21]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iHUgp-0006w1-B2; Mon, 07 Oct 2019 15:12:50 +0000 Received: from [IPv6:2001:983:e9a7:1:3d61:cdd2:8085:cc8] ([IPv6:2001:983:e9a7:1:3d61:cdd2:8085:cc8]) by smtp-cloud8.xs4all.net with ESMTPA id HUgbiQKwJop0AHUgciIxxp; Mon, 07 Oct 2019 17:12:36 +0200 Subject: Re: [PATCH 0/2] media: meson: vdec: Add compliant H264 support To: Maxime Jourdan , Mauro Carvalho Chehab , Hans Verkuil References: <20191007145909.29979-1-mjourdan@baylibre.com> From: Hans Verkuil Message-ID: <8563127e-fe2c-a633-556b-8a883cebb171@xs4all.nl> Date: Mon, 7 Oct 2019 17:12:33 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20191007145909.29979-1-mjourdan@baylibre.com> Content-Language: en-US X-CMAE-Envelope: MS4wfC6BOvYYABLQppUZDsWuWCv7V0/FTqcjtJekO917tM0rMXM8cBGGw7wlmLJUEz9LEpZEpUlBhMHyvdHrQVxCyOAL+c8kgDyrVHP43YH92ZrDfESmROBd q3eytp8N5zcThju7XelwC5qqi6rdZLmsSWY0UGwVgjJVezpHB1bU+uMjxdNesFnI2hYaMMUv9bLbdufuIz37jAFrCSdBKO/VA8WLCFzeO6IUSA2DKRnq0+R2 tyDXf88C8nBDwxMgVFZcFyYxGrjqSHujAxRNdh/uFy6aECampq0RJAsoT/04m1Yw+sOaGFKxqw3D4A3rfkA2uEyWmBiY6sNLSu8hNOOGd5anYIXE1E7mhlp5 1jbh4ShIXohO5qrozt1JesiA2nszc6J1FTyju8d1mTFtVvrBmvt4RYbPEZ1l2kV/BRQMhjuJ7dnGF7lPcLmnzHZtKx/oCKokKmvzS8Iwnf3+bYUpMRvnUMel l/Ew3RG4Hbk9/B8QMYV7QZ7pBvNSGYj2b2OBx6xsSQCmwOAS6tWbA6niRkeOQWFUNs132rTGyNsEGuktvCRockxAOjCy7FI4OfvirPlGT6bV9hH7uGdbTwr6 ofLY3cL/DA14cgvmEodViAjqZblWPX8Paokj9AIAFiCjS2TY7OV6py20fwdK9HnsnBKjPaV5aTUix/qA2Gaspz7h X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191007_081247_568083_EB835602 X-CRM114-Status: GOOD ( 19.70 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Neil Armstrong , Martin Blumenstingl , Kevin Hilman , linux-kernel@vger.kernel.org, linux-amlogic@lists.infradead.org, Jerome Brunet , linux-arm-kernel@lists.infradead.org, linux-media@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org On 10/7/19 4:59 PM, Maxime Jourdan wrote: > Hello, > > This patch series aims to bring H.264 support as well as compliance update > to the amlogic stateful video decoder driver. > > There is 1 issue that remains currently: > > - The following codepath had to be commented out from v4l2-compliance as > it led to stalling: > > if (node->codec_mask & STATEFUL_DECODER) { > struct v4l2_decoder_cmd cmd; > buffer buf_cap(m2m_q); > > memset(&cmd, 0, sizeof(cmd)); > cmd.cmd = V4L2_DEC_CMD_STOP; > > /* No buffers are queued, call STREAMON, then STOP */ > fail_on_test(node->streamon(q.g_type())); > fail_on_test(node->streamon(m2m_q.g_type())); > fail_on_test(doioctl(node, VIDIOC_DECODER_CMD, &cmd)); > > fail_on_test(buf_cap.querybuf(node, 0)); > fail_on_test(buf_cap.qbuf(node)); > fail_on_test(buf_cap.dqbuf(node)); > fail_on_test(!(buf_cap.g_flags() & V4L2_BUF_FLAG_LAST)); > for (unsigned p = 0; p < buf_cap.g_num_planes(); p++) > fail_on_test(buf_cap.g_bytesused(p)); > fail_on_test(node->streamoff(q.g_type())); > fail_on_test(node->streamoff(m2m_q.g_type())); > > /* Call STREAMON, queue one CAPTURE buffer, then STOP */ > fail_on_test(node->streamon(q.g_type())); > fail_on_test(node->streamon(m2m_q.g_type())); > fail_on_test(buf_cap.querybuf(node, 0)); > fail_on_test(buf_cap.qbuf(node)); > fail_on_test(doioctl(node, VIDIOC_DECODER_CMD, &cmd)); > > fail_on_test(buf_cap.dqbuf(node)); > fail_on_test(!(buf_cap.g_flags() & V4L2_BUF_FLAG_LAST)); > for (unsigned p = 0; p < buf_cap.g_num_planes(); p++) > fail_on_test(buf_cap.g_bytesused(p)); > fail_on_test(node->streamoff(q.g_type())); > fail_on_test(node->streamoff(m2m_q.g_type())); > } > > The reason for this is because the driver has a limitation where all > capturebuffers must be queued to the driver before STREAMON is effective. > The firmware needs to know in advance what all the buffers are before > starting to decode. > This limitation is enforced via q->min_buffers_needed. > As such, in this compliance codepath, STREAMON is never actually called > driver-side and there is a stall on fail_on_test(buf_cap.dqbuf(node)); That's interesting. I will have to look more closely at this. > > > One last detail: V4L2_FMT_FLAG_DYN_RESOLUTION is currently not recognized > by v4l2-compliance, so it was left out for the test. However, it is > present in the patch series. It is definitely recognized by v4l2-compliance. > > The second patch has 3 "Alignment should match open parenthesis" lines > where I preferred to keep them that way. > > Thanks Stanimir for sharing your HDR file creation tools, this was very > helpful :). > > Maxime > > # v4l2-compliance --stream-from-hdr test-25fps.h264.hdr -s250 > v4l2-compliance SHA: a162244d47d4bb01d0692da879dce5a070f118e7, 64 bits But this SHA isn't in the v4l-utils repo, so this makes me wonder where you got this repo from. Regards, Hans > > Compliance test for meson-vdec device /dev/video0: > > Driver Info: > Driver name : meson-vdec > Card type : Amlogic Video Decoder > Bus info : platform:meson-vdec > Driver version : 5.4.0 > Capabilities : 0x84204000 > Video Memory-to-Memory Multiplanar > Streaming > Extended Pix Format > Device Capabilities > Device Caps : 0x04204000 > Video Memory-to-Memory Multiplanar > Streaming > Extended Pix Format > Detected Stateful Decoder > > Required ioctls: > test VIDIOC_QUERYCAP: OK > > Allow for multiple opens: > test second /dev/video0 open: OK > test VIDIOC_QUERYCAP: OK > test VIDIOC_G/S_PRIORITY: OK > test for unlimited opens: OK > > Debug ioctls: > test VIDIOC_DBG_G/S_REGISTER: OK (Not Supported) > test VIDIOC_LOG_STATUS: OK (Not Supported) > > Input ioctls: > test VIDIOC_G/S_TUNER/ENUM_FREQ_BANDS: OK (Not Supported) > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > test VIDIOC_S_HW_FREQ_SEEK: OK (Not Supported) > test VIDIOC_ENUMAUDIO: OK (Not Supported) > test VIDIOC_G/S/ENUMINPUT: OK (Not Supported) > test VIDIOC_G/S_AUDIO: OK (Not Supported) > Inputs: 0 Audio Inputs: 0 Tuners: 0 > > Output ioctls: > test VIDIOC_G/S_MODULATOR: OK (Not Supported) > test VIDIOC_G/S_FREQUENCY: OK (Not Supported) > test VIDIOC_ENUMAUDOUT: OK (Not Supported) > test VIDIOC_G/S/ENUMOUTPUT: OK (Not Supported) > test VIDIOC_G/S_AUDOUT: OK (Not Supported) > Outputs: 0 Audio Outputs: 0 Modulators: 0 > > Input/Output configuration ioctls: > test VIDIOC_ENUM/G/S/QUERY_STD: OK (Not Supported) > test VIDIOC_ENUM/G/S/QUERY_DV_TIMINGS: OK (Not Supported) > test VIDIOC_DV_TIMINGS_CAP: OK (Not Supported) > test VIDIOC_G/S_EDID: OK (Not Supported) > > Control ioctls: > test VIDIOC_QUERY_EXT_CTRL/QUERYMENU: OK > test VIDIOC_QUERYCTRL: OK > test VIDIOC_G/S_CTRL: OK > test VIDIOC_G/S/TRY_EXT_CTRLS: OK > test VIDIOC_(UN)SUBSCRIBE_EVENT/DQEVENT: OK > test VIDIOC_G/S_JPEGCOMP: OK (Not Supported) > Standard Controls: 2 Private Controls: 0 > > Format ioctls: > test VIDIOC_ENUM_FMT/FRAMESIZES/FRAMEINTERVALS: OK > test VIDIOC_G/S_PARM: OK (Not Supported) > test VIDIOC_G_FBUF: OK (Not Supported) > test VIDIOC_G_FMT: OK > test VIDIOC_TRY_FMT: OK > test VIDIOC_S_FMT: OK > test VIDIOC_G_SLICED_VBI_CAP: OK (Not Supported) > test Cropping: OK (Not Supported) > test Composing: OK (Not Supported) > test Scaling: OK > > Codec ioctls: > test VIDIOC_(TRY_)ENCODER_CMD: OK (Not Supported) > test VIDIOC_G_ENC_INDEX: OK (Not Supported) > test VIDIOC_(TRY_)DECODER_CMD: OK > > Buffer ioctls: > test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: OK > test VIDIOC_EXPBUF: OK > test Requests: OK (Not Supported) > > Test input 0: > > Streaming ioctls: > test read/write: OK (Not Supported) > test blocking wait: OK > Video Capture Multiplanar: Captured 250 buffers > test MMAP (select): OK > Video Capture Multiplanar: Captured 250 buffers > test MMAP (epoll): OK > test USERPTR (select): OK (Not Supported) > test DMABUF: Cannot test, specify --expbuf-device > > Total for meson-vdec device /dev/video0: 49, Succeeded: 49, Failed: 0, Warnings: 0 > > Maxime Jourdan (2): > media: meson: vdec: bring up to compliance > media: meson: vdec: add H.264 decoding support > > drivers/staging/media/meson/vdec/Makefile | 2 +- > drivers/staging/media/meson/vdec/codec_h264.c | 482 ++++++++++++++++++ > drivers/staging/media/meson/vdec/codec_h264.h | 14 + > drivers/staging/media/meson/vdec/esparser.c | 34 +- > drivers/staging/media/meson/vdec/vdec.c | 70 ++- > drivers/staging/media/meson/vdec/vdec.h | 14 +- > .../staging/media/meson/vdec/vdec_helpers.c | 85 ++- > .../staging/media/meson/vdec/vdec_helpers.h | 6 +- > .../staging/media/meson/vdec/vdec_platform.c | 43 ++ > 9 files changed, 654 insertions(+), 96 deletions(-) > create mode 100644 drivers/staging/media/meson/vdec/codec_h264.c > create mode 100644 drivers/staging/media/meson/vdec/codec_h264.h > _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic